Answer:
It breathes fire in fairy-tales
Dragons are known to do this to their gold.
What is born long, dies short, and spends its life leaving a trail?
Written on with words of white, Has the color of the night, Is the teacher's best delight, And a student's daily fright
What's at the head of an elephant and at the tail of a squirrel?
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.